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Comprehensive Description ( anglais )

fourni par North American Flora
Amaranthus graecizans L. Sp. PL 990. 1753
Amaranthus albus I,. Syst. ed. 10. 2: 1268. 1759.
Pyxidium graecizans Moench, Meth. 359. 1794.
Amaranthus leucanthus Raf. Fl. L/udov. 32. 1"817.
Amaranthus oleraceus Eaton, Man. ed. 2. 152. 1818. Not A. oleraceus h. 1753.
Amaranthus Blitum nanus Moq. in DC. Prodr. 13 2 : 263. 1849.
Amaranthus Blitum graecizans Moq. in DC. Prodr. 13 2 : 263. 1849.
Amaranthus albus parvifiorus Moq. in DC. Prodr. 13 2 : 264. 1849.
Dimeiandra graecizans Raf.; Moq. in DC. Prodr. 13 2 : 264, as synonym. 1849.
Galliaria albida Bubani, Fl. Pyren. 1: 185. 1897.
Amaranthus albus puberulus Thellung^ in Asch. & Graebn. Syn. Fl. Mittel-Eur. 5: 287. 1914.
Amaranthus albus rubicundus Thellung in Asch. & Graebn. Syn. Fl. Mittei-Eur. 5: 287. 1914.
Amaranthus albus monosepalus Thellung, in Asch. & Graebn. Syn. Fl. Mittel-Eur. 5: 287. 1914.
Galliaria graecizans Nieuwl. Am. Midi. Nat. 3: 278. 1914.
Stems stout, erect, 3-12 dm. high, densely branched, the branches divaricate or ascending, whitish, glabrous or sparingly puberulent or villous, especially near the ends; petioles slender, 0.3-5 cm. long; leaf-blades elliptic to oblong, spatulate, or obovate, 0.5-7 cm. long, obtuse or rounded at the apex, cuneate at the base, pale-green, glabrous, prominently veined, the veins white beneath; flowers monoecious, in dense or loose axillary clusters, these usually shorter but sometimes longer than the petioles; bracts oblong-lanceolate, 2-4 times as long as the sepals, green, rigid, pungent-pointed, spreading; sepals 3, those of the staminate flowers oblong, cuspidate, scarious, those of the pistillate flowers oblong to linear, acute or acutish, 1-nerved, thin, green along the nerve, often tinged with red; stamens 3; style-branches 3; utricle subglobose, circumscissile, rugose, longer than the sepals, sometimes tinged with red; seed rotund, about 0.8 mm. in diameter, dark reddish-brown, shining.
Typ3 locality: Virginia.
Distribution: Southern Canada, southward throughout the United States to northern Mexico; adventive in Europe, Asia, Africa, and Argentina.
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citation bibliographique
Paul Carpenter Standley. 1917. (CHENOPODIALES); AMARANTHACEAE. North American flora. vol 21(2). New York Botanical Garden, New York, NY
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North American Flora